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2026-09-18 - 08:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Sep 18, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13890210896,8sleep20-21swapper/219:05:142
18265210595,7sleep10-21swapper/119:08:061
18190210595,7sleep30-21swapper/319:07:093
18118210596,6sleep00-21swapper/019:06:130
63382650,1sleep018572-21cyclictest23:50:170
66972610,0sleep20-21swapper/221:55:362
91522600,1sleep338-21rcuc/300:20:003
309252600,0sleep20-21swapper/223:31:122
323262590,0sleep20-21swapper/223:18:462
273602590,3sleep3391ktimersoftd/322:48:123
132242580,1sleep213229-21kthreadcore19:30:172
68462570,1sleep10-21swapper/121:29:231
103022570,1sleep00-21swapper/022:25:220
180792540,0sleep20-21swapper/221:20:152
18590993114,16cyclictest0-21swapper/223:35:112
1859099270,26cyclictest0-21swapper/222:36:222
1859099270,26cyclictest0-21swapper/222:17:502
1859099270,26cyclictest0-21swapper/221:29:142
1859099270,26cyclictest0-21swapper/221:04:502
1859099270,26cyclictest0-21swapper/220:16:282
1859099270,26cyclictest0-21swapper/220:09:222
1859099270,26cyclictest0-21swapper/219:51:582
1859099270,26cyclictest0-21swapper/219:29:002
18590992622,3cyclictest0-21swapper/200:34:472
1859099260,2cyclictest0-21swapper/222:00:332
1859099260,25cyclictest0-21swapper/222:42:212
18590992521,3cyclictest0-21swapper/223:22:172
1859099250,25cyclictest0-21swapper/219:18:032
1859099250,24cyclictest0-21swapper/222:56:032
1859099250,23cyclictest0-21swapper/223:11:442
1859099242,21cyclictest0-21swapper/223:07:552
18590992421,3cyclictest0-21swapper/200:27:292
1859099240,23cyclictest0-21swapper/222:34:412
1859099240,23cyclictest0-21swapper/221:53:522
1859099240,19cyclictest0-21swapper/223:52:332
18586992421,2cyclictest0-21swapper/123:33:291
1859099232,20cyclictest0-21swapper/222:26:472
1859099232,15cyclictest0-21swapper/222:24:082
18590992321,1cyclictest0-21swapper/223:00:282
1859099231,3cyclictest0-21swapper/221:35:092
1859099230,22cyclictest0-21swapper/223:40:382
1859099230,22cyclictest0-21swapper/223:25:332
1859099230,22cyclictest0-21swapper/222:06:022
1859099230,22cyclictest0-21swapper/221:33:392
1859099230,22cyclictest0-21swapper/221:06:262
1859099230,22cyclictest0-21swapper/221:06:262
1859099230,18cyclictest0-21swapper/222:48:282
1859099230,17cyclictest0-21swapper/222:11:502
18581992319,2cyclictest762-21snmpd23:59:200
18581992317,5cyclictest10-21rcuc/020:55:000
1859099222,19cyclictest0-21swapper/221:49:002
1859099222,18cyclictest4309-21ssh21:13:592
1859099220,21cyclictest0-21swapper/223:55:502
1859099220,21cyclictest0-21swapper/221:15:112
1859099220,21cyclictest0-21swapper/220:59:352
1859099220,21cyclictest0-21swapper/220:25:462
1859099220,21cyclictest0-21swapper/220:10:252
1859099220,21cyclictest0-21swapper/219:46:342
1859099220,21cyclictest0-21swapper/219:23:182
1859099220,21cyclictest0-21swapper/200:22:062
1859099220,21cyclictest0-21swapper/200:10:362
1859099220,21cyclictest0-21swapper/200:10:352
1859099220,21cyclictest0-21swapper/200:01:322
1859099220,16cyclictest0-21swapper/200:37:262
1859099220,16cyclictest0-21swapper/200:17:092
18586992218,3cyclictest0-21swapper/123:59:191
18586992218,3cyclictest0-21swapper/121:32:171
18586992216,5cyclictest0-21swapper/123:39:181
18581992219,2cyclictest762-21snmpd21:32:170
18581992217,2cyclictest771-21lldpd23:39:180
1859099215,15cyclictest0-21swapper/222:50:252
18590992118,2cyclictest762-21snmpd20:21:372
18590992118,2cyclictest762-21snmpd19:13:332
1859099211,19cyclictest0-21swapper/200:09:442
1859099210,20cyclictest0-21swapper/223:46:462
1859099210,20cyclictest0-21swapper/221:40:292
1859099210,20cyclictest0-21swapper/220:30:102
18586992118,3cyclictest0-21swapper/122:35:491
18586992118,3cyclictest0-21swapper/100:11:361
18586992118,3cyclictest0-21swapper/100:11:361
18581992118,3cyclictest0-21swapper/000:05:340
18581992118,2cyclictest762-21snmpd21:13:110
18581992118,2cyclictest18145-21turbostat22:45:000
18581992117,2cyclictest762-21snmpd20:05:400
282282200,0sleep30-21swapper/320:10:193
1859099205,14cyclictest0-21swapper/220:35:222
18590992018,1cyclictest762-21snmpd20:53:232
18590992018,1cyclictest762-21snmpd20:47:172
18590992018,1cyclictest762-21snmpd19:35:262
18590992017,2cyclictest762-21snmpd19:40:372
18590992016,3cyclictest0-21swapper/220:02:202
1859099200,2cyclictest0-21swapper/220:40:562
18586992017,3cyclictest0-21swapper/123:51:221
18586992017,3cyclictest0-21swapper/119:59:221
18586992017,2cyclictest0-21swapper/122:21:031
18586992017,2cyclictest0-21swapper/121:14:291
18586992017,2cyclictest0-21swapper/119:39:101
18586992017,2cyclictest0-21swapper/100:04:081
18586992016,3cyclictest0-21swapper/122:48:341
18586992016,3cyclictest0-21swapper/122:40:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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